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Oval|Lab Grown|IGI

1.05ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG608364735

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG608364735

Diamond specifications and retailer prices

From £156 GBP
$209 USD
As of November 1, 2026
Save £1,165 GBP (88%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,321 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG608364735 or 608364735. Listed at 29 retailers as of October 31, 2026, with prices from £156 to £1,321, a £1,165 spread on the same certified stone. Do Amore Diamonds lists it at £1,321. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608364735
Dimensions8.46 × 5.74 × 3.52 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.46 mm5.74 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608364735
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,321 GBP|Low: £154 GBP|High: £1,545 GBP|Avg: £530 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 15£156 GBP
Retailer 12£175 GBP
Retailer 20£267 GBP
Retailer 8£277 GBP
Retailer 14£321 GBP
Retailer 2£325 GBP
Retailer 4£340 GBP
Retailer 13£346 GBP
Retailer 7£350 GBP
Retailer 6£403 GBP
Retailer 5£431 GBP
Retailer 18£460 GBP
Retailer 19£579 GBP
Retailer 11£662 GBP
Retailer 10£734 GBP
Retailer 9£816 GBP
Retailer 3£854 GBP
Retailer 17£885 GBP
Retailer 16£1,134 GBP
Do Amore Diamonds£1,321 GBP

43 data points across 20 retailers

29 retailers£156 GBP to £1,321 GBP

Retailer 1
-
£143 GBP
$191 USD
Price last confirmed 34 days ago
A
Retailer 2
-
£156 GBP
$209 USD
View
Final sale: no returns
Retailer 3
-
£160 GBP
$214 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£166 GBP
$222 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£171 GBP
$229 USD
View
Retailer 6
-
£171 GBP
$229 USD
View
Price last confirmed 30 days ago
Retailer 7
-
£171 GBP
$229 USD
View
Price last confirmed 23 days ago
Retailer 8
-
£175 GBP
$234 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
£267 GBP
$358 USD
View
A
Retailer 10
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 11
-
£321 GBP
€409 EUR
View
A
Retailer 12
-
£325 GBP
ZAR 7,037 ZAR
View
A
Retailer 13
-
£340 GBP
$455 USD
View
A
Retailer 14
-
£346 GBP
View
A
Retailer 15
-
£350 GBP
$469 USD
View
A
Retailer 16
-
£403 GBP
$541 USD
View
B+
Retailer 17
-
£431 GBP
A$888 AUD
View
B+
Retailer 18
-
£460 GBP
A$949 AUD
View
B+
Retailer 19
-
£579 GBP
$776 USD
View
Retailer 20
-
£605 GBP
$811 USD
View
Price last confirmed 23 days ago
Retailer 21
-
£628 GBP
$841 USD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
£662 GBP
SGD 1,198 SGD
View
B+
Retailer 23
-
£734 GBP
$984 USD
View
Retailer 24
-
£816 GBP
A$1,683 AUD
View
Price last confirmed 30 days ago
B
Retailer 25
-
£854 GBP
$1,145 USD
View
Retailer 26
-
£863 GBP
$1,157 USD
View
Price last confirmed 104 days ago
B+
Retailer 27
-
£885 GBP
View
B
Retailer 28
-
£1,134 GBP
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-8CF519731 · Oct 31
£1,321 GBP
$1,770 USD
View
28 more retailers have this diamond
Prices start from £156 GBPSave up to £1,165 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Oval
£156 GBP